Opto-electronic component with narrow aperture angle

Details Opto-electronic component with narrow aperture angle Opto-electronic component with narrow aperture angle

1993-09-30

1995-01-24

Jackson, Jerome

Active solid-state devices (e.g., transistors, solid-state diode

Incoherent light emitter structure

With reflector, opaque mask, or optical element integral...

257 81, 257 99, 257100, H01L 3112

Patent

active

053844718

ABSTRACT:
The invention relates to an opto-electronic component having a narrow aperture angle. The conventional design of components transmitting radiation or reacting to radiation and concentrating that radiation with the aid of lenses results, on account of the increasing distance between the lens and the semiconductor chip, in increasing component dimensions in the radiating or detecting direction with an increasingly narrow aperture angle. In accordance with the invention, a parabolic or approximately parabolic reflector is provided that is connected to a support strip supporting the semiconductor chip such that the latter is as close as possible to the focal point of the parabolic or approximately parabolic surface of the reflector. The reflector is preferably connected to the support strip by engaging elements and surrounded by a housing.

REFERENCES:
patent: 3727064 (1973-04-01), Bottini
patent: 3863075 (1975-01-01), Ironmonger et al.
patent: 4284898 (1981-08-01), Felkel et al.
patent: 5040868 (1991-08-01), Waitl et al.
patent: 5119174 (1992-06-01), Chen
Gillessen "Light emitting diodes: an introduction"; Prentice-Hall International, 1987, pp. 216-221, FIGS. 7-6.

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